<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button
            type="primary"
            size="small"
            @click="hAdd('0', 1)"
          >添加权限</el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{ row }">
              <el-button
                v-if="row.type === 1"
                type="text"
                @click="hAdd(row.id, 2)"
              >添加</el-button>
              <el-button type="text" @click="hEdit(row)">编辑</el-button>
              <el-button type="text" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
      <!-- 新增权限的弹层 -->
      <el-dialog
        ref="form"
        :visible.sync="showDialog"
        :title="isEdit ? '编辑权限' : '新增权限'"
        @close="resetForm"
      >
        <!-- 表单内容 -->
        <el-form label-width="100px">
          <el-form-item label="权限名称">
            <el-input v-model="formData.name" />
          </el-form-item>
          <el-form-item label="权限标识">
            <el-input v-model="formData.code" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" />
          </el-form-item>
          <el-form-item label="权限启用">
            <el-switch
              v-model="formData.enVisible"
              active-text="启用"
              active-value="1"
              inactive-text="不启用"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>
        <template #footer>
          <div style="text-align: right">
            <el-button @click="showDialog = false">取消</el-button>
            <el-button type="primary" @click="hSubmit">确定</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { tranListToTreeData } from '@/utils'
import {
  getPermissionList,
  addPermission,
  delPermission,
  updatePermission
} from '@/api/permisson'
export default {
  data() {
    return {
      isEdit: false,
      list: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  },
  created() {
    this.loadPermissionList()
  },
  methods: {
    async loadPermissionList() {
      try {
        const res = await getPermissionList()
        console.log('获取权限数据', res)
        // 转换为树形结构
        // 保存数据
        this.list = tranListToTreeData(res.data)
      } catch (err) {
        console.log(err)
      }
    },
    // 区别页面级别和按钮级别
    hAdd(pid, type) {
      console.log(pid, type)
      this.formData.pid = pid
      this.formData.type = type
      this.isEdit = false
      this.showDialog = true
    },
    hSubmit() {
      // 实现编辑或者新增
      this.doEdit ? this.doAdd() : this.doAdd()
    },
    // 添加功能
    async doAdd() {
      try {
        const res = await addPermission(this.formData)
        console.log(res, 'res')
        //  关闭弹层
        //  重新加载数据
        this.loadPermissionList()
        this.showDialog = false
      } catch (err) {
        console.log(err)
      }
    },
    // 当弹层关闭时，重置表单
    resetForm() {
      // 1. 重置表单
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
      // console.log(this.$refs.form)
      // 2. 清空校验
      this.$refs.form.validate()
    },
    // 删除功能
    hDel(id) {
      console.log(id, 'id')
      this.$confirm('您确认删除吗？')
        .then(async() => {
          const res = await delPermission(id)
          console.log(res, 'res')
          if (res.code !== 10000) return this.$message.error(res.message)
          this.$message.success(res.message)
          // 重新渲染
          this.loadPermissionList()
        })
        .catch((error) => error)
    },
    // 编辑功能
    hEdit(row) {
      this.isEdit = true
      this.formData = { ...row }
      this.showDialog = true
    },
    async doEdit() {
      try {
        await updatePermission(this.formData)
        this.loadPermissionList()
        this.showDialog = false
      } catch (err) {
        console.log(err)
      }
    }
  }
}
</script>
